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`TextRun`s use their parent style to render. Previously, these styles were cloned and stored directly in the box tree `TextRun` and resulting `TextFragment`s. This presents a problem for incremental layout. Wrapping the style in another layer of shared ownership and mutability will allow updating all `TextFragment`s during repaint-only incremental layout by simply updating the box tree styles of the original text parents. This adds a new set of borrows when accessing text styles, but also makes it so that during box tree block construction `InlineFormattingContext`s are created lazily and now `InlineFormattingContextBuilder::finish` consumes the builder, making the API make a bit more sense. This should also improve performance of box tree block construction slightly. Testing: This should not change observable behavior and thus is covered by existing WPT tests. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Oriol Brufau <obrufau@igalia.com> |
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| Cargo.toml | ||
| lib.rs | ||
| LICENSE-APACHE | ||
| LICENSE-MIT | ||